
be quiet! SFX L Quiet Performance Power 600W
be quiet! SFX L Power 600W: fully modular SFX‑L, 80+ Gold PSU for quiet SFF gaming builds; launched Aug 29, 2017; no native 12VHPWR.
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Product overview
Released on August 29, 2017, the SFX L Power 600W is be quiet!’s SFX‑L entry in the SFX L Power family, pairing a longer SFX‑L shell with a 120 mm fan and fully modular cabling. It’s an 80 Plus Gold unit with single‑rail 12V output, four 6+2‑pin PCIe leads, and a 3‑year warranty. Classed as high_end for PSUs, it exists to give quiet, tidy cabling and reliable 600 W power to compact builds where a 120 mm fan helps noise and thermals. Best fit is SFF mini‑ITX/compact ATX systems and mid‑range gaming GPUs that use 6+2‑pin PCIe power; note it lacks ATX 3.0/3.1 and native 12VHPWR connectors. Discontinuation status is not confirmed.
- SFX/small-form-factor
- mid-range gaming
Product highlights
- 80 plus Gold certification (up to 92% efficiency)
- Multi-gpu support with four PCIe connectors
- Stable LLC, Synchronous Rectifier (SR) and DC-to-DC power conversion
- Modular cables for maximum build flexibility
- Temperature-controlled 120mm high-quality fan
- Sfx-to-atx adapter bracket for usage with larger case Sizes
- 3-Year manufacturer’s warranty
Specifications
- Wattage
- 600 W
- Efficiency
- 80 Plus Gold
- Modular
- Yes
- Eco Mode
- No
- Form factor
- SFX-L























